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/**
* Copyright (C) 2010 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained from Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* @file mali_drv.c
* Implementation of the Linux device driver entrypoints for Mali DRM
*/
#include <linux/module.h>
#include <linux/vermagic.h>
#include <drm/drmP.h>
#include "mali_drv.h"
static struct platform_device *dev0;
static struct platform_device *dev1;
void mali_drm_preclose(struct drm_device *dev, struct drm_file *file_priv)
{
}
void mali_drm_lastclose(struct drm_device *dev)
{
}
static int mali_drm_suspend(struct drm_device *dev, pm_message_t state)
{
return 0;
}
static int mali_drm_resume(struct drm_device *dev)
{
return 0;
}
static int mali_drm_load(struct drm_device *dev, unsigned long chipset)
{
return 0;
}
static int mali_drm_unload(struct drm_device *dev)
{
return 0;
}
static struct file_operations mali_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
};
static struct drm_driver driver =
{
.driver_features = DRIVER_BUS_PLATFORM,
.load = mali_drm_load,
.unload = mali_drm_unload,
.context_dtor = NULL,
.reclaim_buffers = NULL,
.reclaim_buffers_idlelocked = NULL,
.preclose = mali_drm_preclose,
.lastclose = mali_drm_lastclose,
.suspend = mali_drm_suspend,
.resume = mali_drm_resume,
.ioctls = NULL,
.fops = &mali_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
static struct drm_driver driver1 =
{
.driver_features = DRIVER_BUS_PLATFORM,
.load = mali_drm_load,
.unload = mali_drm_unload,
.context_dtor = NULL,
.reclaim_buffers = NULL,
.reclaim_buffers_idlelocked = NULL,
.preclose = mali_drm_preclose,
.lastclose = mali_drm_lastclose,
.suspend = mali_drm_suspend,
.resume = mali_drm_resume,
.ioctls = NULL,
.fops = &mali_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
int mali_drm_init(struct platform_device *dev)
{
printk(KERN_INFO "Mali DRM initialize, driver name: %s, version %d.%d\n", DRIVER_NAME, DRIVER_MAJOR, DRIVER_MINOR);
if (dev == dev0) {
driver.num_ioctls = 0;
driver.kdriver.platform_device = dev;
return drm_platform_init(&driver, dev);
} else if (dev == dev1) {
driver1.num_ioctls = 0;
driver1.kdriver.platform_device = dev;
return drm_platform_init(&driver1, dev);
}
return 0;
}
void mali_drm_exit(struct platform_device *dev)
{
if (driver.kdriver.platform_device == dev) {
drm_platform_exit(&driver, dev);
} else if (driver1.kdriver.platform_device == dev) {
drm_platform_exit(&driver1, dev);
}
}
static int __devinit mali_platform_drm_probe(struct platform_device *dev)
{
return mali_drm_init(dev);
}
static int mali_platform_drm_remove(struct platform_device *dev)
{
mali_drm_exit(dev);
return 0;
}
static int mali_platform_drm_suspend(struct platform_device *dev, pm_message_t state)
{
return 0;
}
static int mali_platform_drm_resume(struct platform_device *dev)
{
return 0;
}
static struct platform_driver platform_drm_driver = {
.probe = mali_platform_drm_probe,
.remove = __devexit_p(mali_platform_drm_remove),
.suspend = mali_platform_drm_suspend,
.resume = mali_platform_drm_resume,
.driver = {
.owner = THIS_MODULE,
.name = DRIVER_NAME,
},
};
static int __init mali_platform_drm_init(void)
{
dev0 = platform_device_register_simple("mali_drm", 0, NULL, 0);
dev1 = platform_device_register_simple("mali_drm", 1, NULL, 0);
return platform_driver_register( &platform_drm_driver );
}
static void __exit mali_platform_drm_exit(void)
{
platform_driver_unregister( &platform_drm_driver );
platform_device_unregister(dev0);
platform_device_unregister(dev1);
}
#ifdef MODULE
module_init(mali_platform_drm_init);
#else
late_initcall(mali_platform_drm_init);
#endif
module_exit(mali_platform_drm_exit);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_VERSION(DRIVER_VERSION);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_LICENSE(DRIVER_LICENSE);
MODULE_ALIAS(DRIVER_ALIAS);
MODULE_INFO(vermagic, VERMAGIC_STRING);
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